Railway truck



(G. s. CHILEs RAILWAY TRUCK Filed Jan. 12. 1923 n d f n .ula

Patented May 1926..

uni'rsosrarss riarrinvr omer...

SLFEBGE S. CEILES, OF CHICAGO, ILLINOIS, ASSIGNOR T0 DALMAN', CEILES COMPNY, A CORPORATION OF-DELAWARE.

l RAILWAY manon y application nien January 12, 192s. serial No. 512,309.

To all {wiwm 'it may concern:

Be it known that I, Geenen S. Online, a citizen of lthe United States, anda resident of Chicago, inthe county of Cook and State of Illinois, have invented certain new and useful Improvements in Railway Trucks, of which the following is a specification.

The object of my invention is to provide an improved form of roller bearing to permit limited endwise movement ot the truck bolster relative to the vside frames. Rollers vhave been used in this connection to a considerable extent in the past. In theusual construction the rollers rest in concave seats provided in the under surface ont the bolster and upon the upper surface of a spring cap, the upward travel of the rollers upon these l concave surfaces acting to restrain the side sway of the car body. My improvement is an improved application ot' such rollers, some features of which are particularly adapted to' use' in 'connection with the improved trucl: shown in my prior application, Serial No. 611,387, led January 3th, 1923, now Patent #1,457,345 granted June Y5, 1923, and other features of more general application. v

ln the drawings, I

Figure 1 is a side view partly in section and partly in elevation of the end of a. truck embodying my invention, l

Figure 2 is a section on line 2, 2 of Figure 1, and

Figure 3 is a vertical section at the center of Figure 1.

The side frame shown in` Figure 1 is of a form described in my co-pending application above referred to. rl`hisside frame comprises in an integral structure compression, member fl, tension member 5, and columns 6. integrally formed with the tension member is a spring seat having a central section 7 at a lowerlevol than the end sections 8 and connected thereto by the intevertically extending parts 9. At the end each. of the elevated end sections 8, the web of which it is formed is deflected upwardly, shown at 10, and forms the web oi the column., lin the structure illustrated, the spring assemblage consists of sir. springs, a group of four intermediate springs seat/ed upon the depressed central section of the spring seat, and a single end spring upon each of the elevated end sections. The springs are shown as all of the vsame length, thetops of the end springs 11 being upon a higher level than the tops of the intermediate springs 12. -Overlying the springs is a spring cap, designated generally by the numeral 13. This spring cap is provided upon its under surface with a spring seat having its central section 16 at a lower level than the end sections 17, and

is provided upon its upper side with central and end roller bearing sections 14 and 15, respectively. The bolster, designated, generally by the numeral 18, is provided with' a relatively deep central section 19 and the shallower side sections 20. Tliedeep 'central section 19 of the bolster is providedv upon its under surface with the central roller bearing section 2l and upon the under side of the sliallower extensions 2O with the end roller bearing sections 22. These roller bearings take the form of arcs 23 which form concave seats forv the central rollers 24C. Similar'concave seats 25 are provided for the end rollers 26. To restrain the rollers against endwise movement the concave seats are provided with end walls 27. The spring cap 13 is provided with column wear lugs 28 which'haye a close working tit between the column guides-29 upon the webs 10 olf the columns. rlhis hasihe effect onf restraining the spring cap against movement transversely of the side frame. The bolster is provided with wear lugs 30 which are sulliciently narrower than the space between tlie guide lugs 29 to permit endwise movement oit the bolster upon the roller bearings above described, the endwise move* ment of the bolster being limited by contact of the sides of the guide lug 30 with the inner faces oi the guide lugs 29.

l claim as my invention: j,

1. In a railway truck, a side-frame, a bolster, rollers interposed between said sideframe and bolster, said bolster being provided with surfaces at different levels bear ing upon said rollers.

2. In railway truck, a side-frame, springs supported on said side-frame, aspring cap supported on said springs, a bolster, the.

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said end roller bearing surfaces being elevated above said central roller hearing surfaces, and rollers lying transversely of said bolster and between said bearing surfaces on said bolster and spring cap.

. 3. n a railway truck, side 'trainee each having a compression member, a tension member and columns, a bolster having its ends between said columns, springs supportu ed at different levels on said tension meniber between `said columns, a spring cap between said columns and resting on said springs, and rollers between said spring cap and bolster. f

et. In a railway truck, side trames each having a. compression member, a tension member and columns.l a bolster having its ends between said columns, springs supported at different levels on said tension member between said columns, a spring cap between said columns and resting on said springs and having on its under side spring bearing surfaces at different levels, and rollers between said spring cap and bolster.

5. A railway 4car truck ot the arch bar type comprising a side 'frame having spaced bolster columns of channel shape in cross section with said channels facing each other, a roller seat extending between said columns having end portions substiu'itially fitting in said channels and vertically movable therein, rollers carried on said seat, and a bolster' supported on said rollers having lateral projections disposed in said channels of said columns and vertically movable therein, said projections being et less width than the Width ot id channel whereby longitudinal movement of the bolster transversely of the side frame is permitted.

l5. A. railway ear truck comprising a side traine having spaced bolster columns, a roller seat disposed and movable vertically between said columns, a plu ality ot springs supporting said scat from the side traine, additional springs at the ends ot said seat also supportingr the saine from the side frame, vsaid additional springs being supported at a ditletent level in said side traine, said seat having a central depres ed portion resting on said plurality ot' springsJ Jthe end portions at a higher level resting on said additional springs, and a bolster extending over the ends ot said seat and movable vez tically .in said columns and also being adapted. for endwise movement therein transversely of said side frame.

7. A railway car truck comprising a side frame having spaced bolster columns and a central depressed channelfshaped base portion therebetween with. elevated shell portions ateach side thereof, a roller scat having a central depressed channel shaped portion and raised end portions, a plurality ol springs supported in the depress-vd portion of said. side frames and su} po1'tingy the lleA pressed portion et said seat, and additional springs supported on the said shelf portions of the side frame and supporting the raised end portions of said seat.

A railway car truck comprising a side frame having spae d bolster columns, a centlal depressed channel-shaped hase portion therebetween with elevated shel't' portions at each side thereof, a connecting member of channel shape resting on said depressed portion, a plate having a depressed central portion disposed in said depressed portion of said traine and raised side portions resting on said shelf portions, a plurality of springs supported or the central depressed portion ot said plate, and additional springs-supported on the raised ends of said plate, and a'roller seat resting on and supported by all ol said springs. i

9. In a railway truck, a side frame, a spring seat on said side frame having, end sections elevated above the central Section thereof, spring cap having on its under side a spring seat having end sections elevalcd above the central section thereof and having upon its upper side end and central roller bearing seats, said end roller bearing seats being at. a higher level than said central roller bearing seat, a holster having an end bearing relatively'deep at its central part and relatively shallow at the-sides, said central part of said end bearing lying over said central roller bearing seat and said relatively shallow sides of said end bearing overlying said end roller bearing seats, springs bet'vveen'said spring seat and spring cap and rollers between said cap and bolster.

10. In a car truck, a side-frame, a bolster having a centrally disposed roller bearing surface on its underside, an assemblage ol springs supported on the lower part of said side-trame, said assemblage of springs being of substantially greater width thanA and extending beyond said roller bearing surface, a. single spring cap overlying and resting upon said entire assemblage of springs, and rollers of substantially the length oi' the roller bearing surface on the underside of said bolster, said spring cap providing a seat for said rollers.

ll. In a car truck, a side-frame, a bolster having a relatively deep central section and vshallower side sections witlr a roller bearing surface on the underside of said central section, an assemblage oft springs supported on the lower part ol" said ,side-frame, said assemblage of springs being of substanf tially greater width than and extending bevond the central section ot said bolster, a single spring cap overlying and resting up on said entire assemlillage ot springs and rollers ot substantially the length or the roller bearing snri'acc on the underside et said Centzal section of the bolster, said .spring cap pro riding a seat te said rollers extending beyond said 12. ln a car truck, a side frame, a bolster having` a centrally disposed roller bearing surface on its underside, .an assemblage of springs supported on. the lot er Ypart of said side -frame, said assemblage of springs being of substantially greater width than and rollen bearing surface and comprisingsingle end springs and intermediate springs offset horizontally fromV the straight line joining the centers of said end springs, a single spring vcap overlying and resting upon said`entire assemblage of springs, and rollers of substantially i the length of said roller bearing surface pn the underside of said bolster, said spring cap providing a seat for said rollers.'

13. In a ear truck, a side trame, a bolster having va relatively deep central section and shallower side sections with a roller bearing surface on the underside oi' said centra section, an assemblage of springs supported on the lower part of said side-iframe, said assemblage o'springs being of substantially greater width than and extending beyond the central section of said bolster and comprising single end springs and intermediate springs otlset horizontally from the'straight line joining the centers of said end springs, a spring cap overlying and resting upon said entire assemblage of springs, and rollers of substantially the length of the roller bearing surface on the underside of said central seetion of the bolster, said springv cap providing a seat for said rollers.

14. In a car truck, a sidesframe comprising upper and lower members and columns, i

a bolsterv` having av roller bearing surface on its underside, an assemblage of springs supported. on the frame, said assemblage of 'springscompria ing single end springs and intermediate springs offset horizontally from the straight line joining the centers of said end springs, .a springsap overlying and resting upon said entire assemblage of springs, rollers interposed between said bearing surface and said spring cap, each of said columns having guide flanges projecting toward theopposite column, and the ends of said spring cap being received between the guide flanges on said columns.

,15. In a car truck, a side-frame comprising upper and lower' members and columns, a bolster having a roller bearing surface on its underside, any assemblage of springs supported on the lower member or' said sideframe2 said assemblage of springs comprising single end springs and intermediate springs offset horizontally from the straight line joining the centers of sai'd end springs, a spring cap overlying and resting'upon said entire assemblage o springs, and rollers interposed between said bearing surface and said spring cap, said columnsy presenting vertical guide channels adapted to be engaged by the ends of said spring cap.

In witness whereof), I hereunto subscribe my name this 10th day of January, A, D.,

GEORGE S. CHILES.

lower member of said side- 

